Home / 72,885.38-109,359.84-25,534.44

Finding the Fourth Proportional to 72,885.38, 109,359.84 and 25,534.44

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Solution

The fourth proportional to 72,885.38, 109,359.84 and 25,534.44 is: 38,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,885.38 : 109,359.84 = 25,534.44 : x
  2. Step 2: Convert to fraction form
    72,885.38/109,359.84 = 25,534.44/x
  3. Step 3: Cross multiply
    72,885.38x = 109,359.84 × 25,534.44
  4. Step 4: Simplify right side
    72,885.38x = 2,792,442,272.89
  5. Step 5: Solve for x
    x = 2,792,442,272.89/72,885.38
  6. Step 6: Final answer
    x = 38,312.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.